The Cisco Catalyst 4506 offers high availability networking with integrated resiliency features. It provides non-blocking Layer 2, 3, and 4 switching with up to 6 slots for line cards or supervisor engines. Key features include integrated power over Ethernet, software-based fault tolerance, and redundant power supplies to minimize downtime and ensure productivity. As part of Cisco's AVVID architecture, the 4506 extends control to the network edge with quality of service, security, management, and resiliency.